{"action":"Upgrade xen to 4.11.1+92-g6c33308a8d-1 or later.","affected":[{"fixed":"4.11.1+92-g6c33308a8d-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.11.1+92-g6c33308a8d-1"],"id":"tcs_01M5NCZA07MBZ57C6M2CW2DPP1","modified_at":"2026-10-23T18:03:36.363056565Z","published_at":"2019-05-30T16:29:00.870Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12126","https://security-tracker.debian.org/tracker/CVE-2018-12126"],"severity":{"label":"medium","score":5.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12126#Debian:12/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12126"}],"summary":"Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosur"}